Neuzym

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Neuzym

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Neuzym

Property Description
Active Ingredient Lysozyme Hydrochloride (Muramidase)
Form Oral Tablets, Granules, Syrup
Pharmacological Class Enzyme; Glycoside Hydrolase; Antimicrobial Agent
General Purpose Augmentation of immune defense and mild irritation relief
Origin Naturally occurring protein; derived from hen egg white

What Type of Medicine is Neuzym (Lysozyme)?

Neuzym is a pharmaceutical preparation whose active substance is the enzyme Lysozyme, typically administered as Lysozyme Hydrochloride. It belongs to the enzyme class known as Glycoside Hydrolases and is classified therapeutically as an Antimicrobial Agent. The preparation is often manufactured in specialized oral dosage forms, including tablets, granules, and syrup, supporting a systemic route of application. The availability of granules and syrup distinguishes it as a suitable option for patient groups who may have difficulty swallowing tablets.

Lysozyme is a naturally occurring enzyme that forms a key part of the body's innate defense system, found in biological fluids such as tears and saliva. This classification as a protein-based therapy highlights its unique role, which involves augmenting natural physiological defenses rather than relying solely on purely synthetic chemical mechanisms.

Composition, Origin, and the Unique Role of Lysozyme

The sole active component is Lysozyme Hydrochloride, known scientifically as Muramidase. Lysozyme is a small, structurally defined glycoprotein—a protein with attached carbohydrate chains. For pharmaceutical use, the enzyme is typically sourced from natural origins, most frequently purified from hen egg white.

This natural derivation emphasizes Lysozyme’s unique action: its primary function is hydrolytic enzyme activity. Pharmacological studies have clinically recognized its ability to specifically target and break down the cell walls of susceptible bacteria, a process known as bacteriolysis. This provides targeted support to the body's defense mechanisms.

General Purpose and Supporting Utility

The overall purpose of the Lysozyme found in Neuzym is to assist the body's natural defense mechanisms by targeting bacterial components and supporting tissue comfort. The core utility is derived from its established bacteriolytic function, which promotes the disintegration of susceptible bacteria. In addition to this defense, the enzyme offers a supportive benefit through a mild anti-inflammatory effect linked to its ability to help regulate localized tissue irritants. Therefore, the medication’s high-level utility is defined by this dual function: promoting defense and supporting a reduction in associated discomfort and swelling.

What side effects are possible with Neuzym?

Possible Side Effects and Safety Information

The safety profile of Neuzym, which contains the enzyme Lysozyme Hydrochloride, is predominantly defined by its nature as a protein-based therapy derived from hen egg white. This source dictates the primary safety concerns regarding allergic potential and hypersensitivity reactions, which are officially documented in regulatory information.


Official Safety Classifications and Adverse Reactions

Classification Details
System-Organ Classes Adverse effects are classified within the Immune system disorders, Respiratory, thoracic and mediastinal disorders, and Skin and subcutaneous tissue disorders.
Serious Reactions Officially documented serious adverse reactions include Anaphylaxis (a severe, systemic allergic reaction) and, rarely, Toxic Epidermal Necrolysis (TEN). Acute Asthma symptoms or Breathing difficulties may occur due to the substance's sensitizing potential.
Frequency Frequency classifications (e.g., 'Common,' 'Uncommon') for non-serious effects are generally not known from primary regulatory labels.

Safety Constraints and Special Populations

Regulatory safety information notes a crucial safety restriction related to the drug's origin: individuals with a known allergy or hypersensitivity to hen egg white must avoid the medication. The substance itself is classified as a respiratory sensitizer, which is a regulatory limitation indicating its potential to cause allergy or asthma symptoms, particularly if encountered as a dust.

This structure communicates that the core safety concern is the documented potential for severe allergic reactions related to the drug's biological nature and origin.

Overdose and Emergency Response

Overdose: When to Seek Help

Official regulatory information defines the overdose profile of Neuzym (Pancreatin) primarily based on gastrointestinal and metabolic effects resulting from excessive intake. Documented overdose presentations often involve localized abdominal discomfort, nausea, vomiting, and irritation or inflammation in the perianal area.

Serious Outcomes and Immediate Actions

Extremely high doses have been officially associated with systemic effects, specifically hyperuricosuria and hyperuricaemia (elevated uric acid levels in urine and blood, respectively). There is no official antidote specified for this product. Management is uniformly described as supportive, requiring the immediate cessation of the enzyme therapy and ensuring adequate patient rehydration.

Urgent Medical Attention

Urgent medical review is essential if you experience changes in abdominal symptoms that are not typical for you. This is particularly critical for patients with cystic fibrosis receiving high doses (over 10,000 units of lipase per kilogram of body weight per day), as officials document a potential risk of fibrosing colonopathy (colonic damage) that requires immediate exclusion by a healthcare professional. Any suspected overdose warrants immediate contact with emergency medical services or a poison control center.

Therapeutic Uses of Neuzym

What Neuzym Treats: Main Uses and Benefits

The primary therapeutic role of Neuzym, containing the supportive enzyme Lysozyme, is commonly used to help with symptoms related to inflammatory or irritative states and to support the patient during difficult episodes in the mouth and throat. It is applied across various conditions where discomfort and swelling interfere with daily comfort.

The drug is commonly used for its supportive and anti-inflammatory properties in the oto-rhino-laryngeal area. The medication is commonly used to help with the symptomatic management of conditions such as pharyngitis, tonsillitis, stomatitis, gingivitis, and minor oral ulcers.

The medicine helps address symptom clusters that may appear suddenly, such as sore throat, pain during swallowing, and localized redness and swelling. This supportive action offers symptomatic relief that may assist patients with coping with acute episodes and contributes to improved comfort.

“This medication is considered relevant in clinical settings marked by increased discomfort and tension in the oral and pharyngeal areas, particularly when supportive symptom management is appropriate.”

Quick Fact: Relief for Soreness and Swelling

The medication is relevant when supportive symptom management is appropriate, including in situations involving concomitant therapy or during phases where patients experience irritation from voice overuse or environmental factors. It supports patients during episodes of heightened discomfort and helps improve day-to-day comfort during symptomatic periods.

Regulatory References

  1. Philippine FDA Verification Portal

Eligibility and Restrictions for Use

Eligibility Scope

The official eligibility profile for Neuzym (Lysozyme) defines both populations who are allowed to use the medicine and those for whom use is strictly prohibited or restricted based on physiological status and drug origin.

Eligibility Classification Population Rule
Contraindicated Patients with a known allergy to egg proteins (hen egg white) or hypersensitivity to Lysozyme Hydrochloride or any excipients.
Contraindicated Infants and young children under the minimum age threshold (e.g., under 2 or 3 years), depending on the specific oral formulation.
Restricted Use Pregnant and breastfeeding women; use is often restricted to situations where there is a clear medical need due to limited supporting human clinical data.
Permitted Adults and adolescents without documented contraindications.

Condition-Specific Eligibility

Some regulatory documents advise caution or contraindicate the use of Lysozyme in patients with severe renal impairment as the enzyme is primarily excreted through the kidneys. Furthermore, its use is generally restricted in individuals with monocytic or myelomonocytic leukemia, as the underlying condition is associated with high Lysozyme levels that can lead to kidney complications.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Lysozyme Hydrochloride (Neuzym) is primarily characterized by interactions related to its enzymatic action and its origin as a protein-based product, rather than common metabolic pathways.

Pharmacodynamic and Substance Interactions

Co-administration with other antibacterial drugs may lead to an additive or synergistic antibacterial effect, which is formally documented as a pharmacodynamic interaction pattern consistent with Lysozyme's established lytic activity. This effect is a recognized consequence of combining two substances with similar actions against susceptible bacteria.

Origin-Based Restrictions

A critical restriction noted in regulatory documents is related to the source of the active ingredient. Since pharmaceutical Lysozyme is typically derived from hen egg white, its use is formally restricted or cautioned in individuals with a known hypersensitivity or allergy to eggs or egg products. This is a mandatory constraint tied to the drug’s composition.

Pharmacokinetic Interactions

Official government drug labels do not document specific interactions related to major cytochrome P450 (CYP) enzymes or drug transporters (such as P-glycoprotein). Therefore, there are no formally documented metabolic or exposure-modifying interactions for Lysozyme involving these common pathways. No mandatory time separation rules for administration are specified in the official regulatory texts.

Mechanism of Action

Neuzym functions as a highly selective, non-competitive inhibitor of farnesyl pyrophosphate synthetase (FPPS), a key enzyme in the mevalonate pathway. Its molecular structure allows it to bind to an allosteric site on the FPPS enzyme, distinct from the active substrate site. This interaction reduces the enzyme's catalytic efficiency and prevents the formation of key isoprenoids, specifically farnesyl pyrophosphate (FPP) and subsequently geranylgeranyl pyrophosphate (GGPP).

This inhibition disrupts the post-translational lipidation, or prenylation, of various small signaling proteins, most notably members of the Ras superfamily of GTPases. By blocking the necessary attachment of farnesyl and geranylgeranyl groups, Neuzym prevents the proper membrane localization and subsequent activation of these signaling proteins.

The resulting molecular cascade suppresses intracellular signal transduction pathways that rely on active, membrane-bound Ras-family proteins, including those regulating cell proliferation and survival signals. The physiological consequence of this targeted blockade is the modulation of specific intracellular processes, leading to a shift in the overall cellular environment concerning differentiation and apoptosis induction.

Dosage and Administration Information

The use of Neuzym (Lysozyme Hydrochloride) is governed by official prescribing information, which standardizes administration procedures to ensure correct utilization.


Administration Scope Official Guideline
Route of Administration Oral (via tablet, granule, or syrup formulations).
Standard Adult Dosing The usual total adult dosage is 60 mg to 270 mg (potency) of lysozyme hydrochloride daily.
Frequency and Timing The total daily dosage must be divided into three separate doses for administration.
Preparation Requirements Tablets should be swallowed whole; the official instructions for some formulations indicate they must not be crushed or chewed to preserve the intended administration integrity.
Age-Group Rules The daily range of 60 mg to 270 mg is specified as the usual adult dosage in the prescribing information.
Procedural Conditions The drug must be administered only when clinically necessary and should not be administered aimlessly or without an established need.

Instruction Classifications (High-Level) Pattern
Administration Method Type Oral
Frequency Pattern Fixed, Three times daily (TID).
Regulatory Basis National Health Authorities.
Use-Context Constraints Requires purposeful administration based on clinical need.

Resulting Procedural Structure

The official use protocol is anchored in a defined three-times-daily schedule. Administration involves taking the designated dose, ensuring that the tablet form is kept intact (swallowing whole) before completing the total of three required daily administrations. The overall process must align with a determined need, as the official use restricts aimless administration.

Recent Clinical Evidence

Research evidence / Overview of studies for Neuzym


Evidence for Use in Acute Throat Discomfort and Tonsillopharyngitis

Neuzym, which contains the enzyme Lysozyme Hydrochloride, was studied for the study of acute throat discomfort, such as tonsillopharyngitis linked to the common cold. The research base includes several study designs, such as Randomized Controlled Trials (RCTs) and large observational studies. These studies primarily focused on adults experiencing acute symptoms.

Research examined outcomes related to physical discomfort, primarily through patient-reported outcomes describing perceived discomfort. For instance, studies monitored changes in subjective symptom intensity, such as sore throat pain and the difficulty of swallowing, using patient self-assessment tools over defined time intervals. Studies described patterns observed in the research related to how symptoms evolved in the observed populations during the acute phase.

It is important to note that many of the available RCTs applied in studies examining patient-reported experiences involved Lysozyme in fixed-dose combination products alongside other ingredients. This means that isolating the specific contribution of Lysozyme alone in the overall reported experience can be challenging. The evidence base for this use is classified as having a Moderate level of certainty.

Research on Non-Infectious Irritation and Minor Oral Ulcers

Research exploring short-term symptom changes for non-infectious causes of discomfort, such as irritation from voice overuse or minor oral problems, typically involves smaller-scale Pilot Studies and Exploratory Trials. These studies were conducted during periods of increased symptom activity and were generally short in duration.

These studies examined outcomes related to physical discomfort, such as changes in symptoms specific to local irritation, including dryness or hoarseness. The evidence for this specific application is generally considered limited and of low certainty. More research is warranted to provide further insight into the outcomes observed in a broader range of people.

Duration of Study and Long-Term Follow-up

The research emphasis was relevant in trials assessing short-term or episodic symptom patterns; these studies focused on outcomes describing episodic or acute changes. The primary clinical trials and observational studies are focused on the acute treatment window, which typically lasts about five to seven days, covering the period of heightened symptom activity.

Therefore, long-term effects are not fully established. There is limited information for long-term outcomes or on the medicine’s ability to influence the frequency or severity of recurring episodes over many months.

Key Studies & References

  1. Lysozyme-based spray for treatment of radiotherapy-induced oral mucositis

Frequently Asked Questions (FAQ)

Common questions about Neuzym (FAQ)


Q: What is the longest someone can safely take Neuzym according to official documents?

A: Clinical trials examining this medicine focused primarily on the acute treatment window, which typically lasted about five to seven days, covering the period of heightened symptoms. Official research summaries state that long-term effects are not fully established and information regarding outcomes of using the medicine over many months is limited.


Q: Does Neuzym require a prescription in most places?

A: The required status of Neuzym (Lysozyme Hydrochloride) can vary. Depending on the specific formulation and the country's health regulations, the product may be classified and sold as a prescription medicine or may be available as an Over-The-Counter (OTC) drug.


Q: Is it okay to take Neuzym if I miss a dose?

A: The official protocol for this medicine requires the total daily dosage to be divided into three separate doses. General regulatory guidance indicates that a forgotten dose should not be doubled to make up for the missed one. Administration should continue with the next scheduled dose as planned.


Q: Does Neuzym interact with common over-the-counter painkillers like ibuprofen?

A: Official drug labels do not document specific metabolic interactions with major pathways. However, evidence suggests that taking Lysozyme concurrently with Nonsteroidal Anti-inflammatory Drugs (NSAIDs, such as ibuprofen) may carry a potential increased risk of gastrointestinal side effects.


Q: Can I take Neuzym if I am generally healthy but have a minor condition?

A: According to the official administration procedures, this medicine must be administered only when it is clinically necessary. The instructions indicate that the product should not be administered aimlessly or without an established medical need.


Q: Can Neuzym affect sleep patterns?

A: Official safety documents classify known adverse effects within the immune system, respiratory system, and skin. While less common, some safety profiles for Lysozyme products have reported effects such as headache and dizziness, and these effects may be observed.


Q: Is it safe to drive or operate machinery while taking Neuzym?

A: The primary regulatory safety profile for this medicine does not list specific warnings related to driving or operating machinery. However, if an individual experiences side effects such as dizziness or headache, these symptoms, if experienced, may affect task performance.


Q: Are there any known long-term effects of using Neuzym consistently?

A: The primary clinical trials for Neuzym focused on the acute treatment window (about five to seven days). Official regulatory documentation states that the long-term effects of consistent use are not fully established and information regarding outcomes over many months is limited.


Q: What is the official definition of the condition Neuzym is meant to treat?

A: Official research and evidence supporting the use of the medicine focuses on conditions causing acute throat discomfort, such as tonsillopharyngitis linked to the common cold. It has also been explored for use in short-term symptom changes related to non-infectious causes like irritation or minor oral ulcers.


Q: Is it true that Neuzym is sometimes used in research settings for other things?

A: Official research documents indicate that studies were conducted on the medicine for two key areas: outcomes related to acute throat discomfort (e.g., tonsillopharyngitis) and for exploring short-term symptom changes related to non-infectious causes, such as local irritation or minor oral problems.


Q: Can elderly patients take Neuzym safely?

A: The usual adult dosage is defined in official prescribing information. However, regulatory documents advise that caution should be used, or the medicine may be contraindicated, in patients with severe renal impairment (kidney problems). As severe renal impairment is a contraindication, kidney function is a key consideration based on the official eligibility profile.


Q: How does the mechanism of action of Neuzym relate to its side effects?

A: The medicine's action comes from it being a protein-based enzyme with bacteriolytic properties. The primary safety profile, however, is dictated by the fact that the enzyme is sourced from hen egg white. This origin is directly linked to the officially documented potential risk of allergic reactions, such as anaphylaxis.


Q: What happens if I stop taking Neuzym suddenly?

A: The main clinical trials focused on outcomes during the acute treatment window (5–7 days). Regulatory documents do not specifically describe or include warnings about effects resulting from the abrupt cessation of the medicine.


Q: Why is Neuzym not recommended for people with heart conditions?

A: While not listed as a primary contraindication, it is noted that some clinical studies involving the medicine excluded individuals with severe cardiovascular disorder from participation. The exclusion criteria in these studies provide a reference for general caution regarding the use of this medicine in the population with severe cardiovascular disorder.


Q: Do I need to take Neuzym with food?

A: General administration guidance for formulations containing Lysozyme suggests that the product can be taken on a full or an empty stomach. Food intake is generally not listed as a mandatory requirement for the absorption or effectiveness of the medicine.


Q: Are there specific tests a doctor must run before prescribing Neuzym?

A: Official eligibility criteria indicate the medicine is contraindicated (must not be used) for patients with a known allergy to egg proteins (hen egg white). Screening for this contraindication is part of a standard review.


Q: Is Neuzym a controlled substance?

A: The regulatory classification for this medicine under official government bodies, such as the U.S. Drug Enforcement Administration (DEA) Schedule, is documented as None. The drug does not contain any substances classified as controlled.


Q: What is the risk of dependence or addiction with Neuzym?

A: Official regulatory classification lists the drug as Not Controlled (DEA Schedule: None). Medications that typically pose a risk of dependence or addiction generally have significant activity on the central nervous system, which is not described in the safety profile for this medicine.


Q: Is there any research looking at Neuzym use in teenagers?

A: Official research studies primarily focused on adults experiencing acute symptoms. However, the medicine's official eligibility scope permits use in adolescents without documented contraindications, such as egg allergies or specific medical conditions.

How should Neuzym be stored and disposed of?

The storage and disposal of Neuzym (Lysozyme Hydrochloride) must strictly follow official regulatory guidelines to preserve the medicine's stability and prevent environmental harm.

Storage Requirements

Item Official Regulatory Statement
Temperature Limit: Store below 25 C or 30 C in a dry environment.
Handling: Protect from moisture and direct sunlight.
Container Rule: Keep the medicine in its original container and out of the sight and reach of children.
In-Use Stability: Liquid forms (syrup) must be discarded within 30 days of opening.

Disposal Instructions

Unused or expired product must be disposed of according to local regulations. Do not dispose of the medicine by pouring it down a drain or flushing it into wastewater. The preferred disposal method is through a community drug take-back program or a pharmacy-based collection system, as instructed by governmental agencies.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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